adding some protos... and adding them with __P seems wrong, but mixing __P and not __P in the same file seems wrong too, so...)
repository copy because alpha already had an include/eisa_machdep.h in the attic.)
Support for AXPpci CPUs, Support for AlphaStation 600 CPUs, new boot block structure, which requires an 'installboot' program and works a lot like the NetBSD/sparc boot blocks.